Add YARD

.gitignore

@@ -8,6 +8,10 @@
 # Ignore bundler config.
 /.bundle/
 
+# Ignore documentation.
+/doc/
+/.yardoc/
+
 # Ignore all logfiles and tempfiles.
 /log/*
 /tmp/*

.yardopts

@@ -0,0 +1,6 @@
+--markup markdown
+--protected
+--private
+-
+README.md
+LICENSE

Gemfile

@@ -138,6 +138,9 @@ group :development do
   # Automatically generate an entity-relationship diagram (ERD)
   # for your Rails models.
   gem 'rails-erd', '~> 1.5'
+
+  # YARD is a documentation generation tool for the Ruby programming language.
+  gem 'yard', '~> 0.9'
 end
 
 group :test do

Gemfile.lock

@@ -359,6 +359,7 @@ GEM
     websocket-extensions (0.1.3)
     xpath (3.2.0)
       nokogiri (~> 1.8)
+    yard (0.9.16)
 
 PLATFORMS
   ruby
@@ -406,6 +407,7 @@ DEPENDENCIES
   turbolinks (~> 5)
   uglifier (>= 1.3.0)
   web-console (>= 3.3.0)
+  yard (~> 0.9)
 
 RUBY VERSION
    ruby 2.5.1p57

Rakefile

@@ -19,3 +19,10 @@ begin
 rescue LoadError
   nil
 end
+
+begin
+  require 'yard'
+  YARD::Rake::YardocTask.new
+rescue LoadError
+  nil
+end